Definition of CERTAINLY

certainly

Adverb

  • definitely or positively (`sure' is sometimes used informally for `surely')
    • "she certainly is a hard worker"

Adv

  • In a way which is certain; with certainty.
  • Without doubt, surely.
  • An emphatic affirmative answer; of course.

Examples

  • 'I'm all grown up now' -'You certainly have (grown)!'
  • That was certainly sweet of him.
  • The accident was certainly caused by human error.
  • Would you like it with ice?  Certainly, and with lemon please.

Origin / Etymology

From Middle English certeynly; equivalent to certain + -ly.

Synonyms

for certain, for sure, sure, sure as shooting, sure enough, surely, absolutely, assuredly, beyond doubt, categorically, certainly, damn right, damn straight, decisively, definitely, doubtless, doubtlessly, ex facie, fo shizzle, for a fact, in fact, indeed, indisputably, indubitably, no doubt, oh yeah, positively, questionlessly, really, self-evidently, sure thing, truly, unarguably, unconditionally, undeniably, undoubtably, undoubtedly, univocally, unquestionably, wis, without a doubt, without doubt, without question, wye aye

Scrabble Score: 14

certainly: valid Scrabble (US) TWL Word
certainly: valid Scrabble Word in Merriam-Webster MW Dictionary
certainly: valid Scrabble Word in International Collins CSW Dictionary

Words With Friends Score: 16

certainly: valid Words With Friends Word